60results about How to "Enough bandwidth" patented technology

The invention discloses a method of distributing a network source among multiple applications of a terminal. The method comprises the following steps that: the terminal determines a distribution proportion of a network application program running in a foreground to a network bandwidth source according to a set proportion and determines a distribution proportion of each network application program to an undistributed network bandwidth source according to operation actions (counted by the terminal) of a user to each network application program, and the terminal distributes the network bandwidth source for all the network application programs according to the distribution proportion of each network application program to the network source bandwidth source. The method can dynamically adjust the bandwidth distribution in real time according to the operation of the user, and is used for solving the problem that the data communication time of the current application program is increased as the network source is occupied by other background application programs under the condition of starting a plurality of application programs.

The invention discloses a token bucket algorithm-based satellite data ground transmission network flow control system, which comprises a token generation module, a token placement module, a token bucket module, a data caching module, and a token request module, wherein the token generation module is used for generating tokens matched with a corresponding flow type according to a preset token arrival rate; the token bucket module comprises n token buckets for storing the tokens; the token bucket module places the generated tokens in corresponding token buckets according to a token placement strategy or discards the tokens when all the token buckets are full; the data caching module stores n flow types, and when any flow type is generated, the token request module sends data packets in the flow type according to a token request strategy or the data packets are stored in the data caching module when no tokens exist. Thus, real-time data can be preferentially sent, a bandwidth as large as possible can be ensured for non real-time data, the transmission performance is optimized, the transmission jitter is reduced, and the sending flow can be controlled as accurately as possible.

The invention provides a high-fidelity audio transmission method based on WIFI (Wireless Fidelity). The high-fidelity audio transmission method receives and transmits audio signals through a portable audio transmission device based on the WIFI. The high-fidelity audio transmission method comprises the following steps of: carrying out power-on resetting on the audio transmission device, and operating authority verification in a secrete key and radon number 3DES (Triple Data Encryption Standard) encrypting and verifying manner; after the verification is passed, initializing relevant hardware, and automatically trying to connect a wireless access point according to an information configuration WIFI communication module; meanwhile, feeding back local information to a sending end to establish connection after the audio transmission device responses searching information of the sending end; and starting four types of services, namely a receiving service, a playing service, an interaction service and a control service by the audio transmission device after the connection is established. With the adoption of the high-fidelity audio transmission method based on the WIFI provided by the invention, the lossless transmission of high-fidelity audio signals can be realized, and a mobile terminal or other playing equipment can conveniently output the high-fidelity audio signals.

The invention discloses a heterogeneous storage and calculation fusion system and method supporting deep neural network reasoning acceleration, and the system comprises a host processor which is usedfor controlling and managing the whole heterogeneous storage and calculation fusion system; a nonvolatile memory module which is connected with the host processor and used for neural network processing; a 3D stacked memory module which is connected with the host processor and used for neural network processing; a network module which is connected with the host processor and used for being connected with an external host; a configuration circuit which is connected with the host processor, and is used for receiving a configuration command of the host processor and controlling a voltage generator, and is also used for receiving the configuration command of the host processor and configuring a 3D stacked memory module; and a voltage generator which is respectively connected with the nonvolatile memory module and the configuration circuit and is used for receiving the control command of the configuration circuit, applying external excitation to the nonvolatile memory module and adjusting the conductivity state of the nonvolatile memory module.

The invention discloses an electromechanical power regulation and control device. The electromechanical power regulation and control device comprises a power signal acquisition circuit, a separation circuit, a frequency selection calibration circuit, a frequency modulation rectification circuit and a voltage conversion circuit; the power signal acquisition circuit acquires a power signal of a power supply of electromechanical equipment by using a power acquirer J1 with a model number of AD8318; the separation circuit comprises a variable resistor RW1, a variable resistor RW2, a capacitor C4 and a capacitor C5, and divides the signal into two paths of signals with the same frequency and different amplitudes; the frequency selection circuit comprises a resistor R5, a resistor R7, a capacitorC6 and a capacitor C8, and screens out the signal with the single frequency; the frequency modulation rectification circuit comprises a triode Q1, a capacitor C9 and a capacitor C11, and performs frequency modulation on the signal; and finally, the voltage conversion circuit comprises an operational amplifier AR5, a variable resistor R16 and a capacitor C14, converts a current signal into a voltage signal and then outputs the voltage signal. The value of a power compensation signal of the power supply of the electromechanical equipment is automatically adjusted according to the power signal of the power of the power supply of the electromechanical equipment.

The invention provides a patch antenna with a reconfigurable directional diagram. The patch antenna comprises a microstrip resonator group, a first dielectric plate, a metal floor, a second dielectricplate and a switchable feed network which are sequentially stacked from top to bottom; and the antenna also comprises a radiation patch which works in a high-order mode TM02 and a TM20, wherein the radiation patch is placed above a microstrip resonator group in a suspended manner. The microstrip resonator group is composed of a first microstrip resonator and a second microstrip resonator which are orthogonal to each other; and the feed network is used for feeding the first microstrip resonator and/or the second microstrip resonator. The antenna has the advantages of low profile, light weight,enough bandwidth, simple structure, simplicity in operation, beam reconfiguration, stable radiation and the like; a communication system can realize reconstruction of three beams by controlling a feed conduction path of the feed network under the condition of not changing a hardware structure and a station layout; and the requirements of different application scenes can be met.

The invention discloses an ultra-small circularly polarized antenna based on an electromagnetic ultra-resonator, the antenna comprises a dielectric substrate and a metal floor, and is characterized inthat a plurality of laminated capacitors, a feed device and a metal loop connecting end are formed on the dielectric substrate; first electrodes of the laminated capacitor are electrically connectedwith one another to form a first common electrode of the laminated capacitor; the feeding device is connected to the first common electrode of the laminated capacitor, and the metal loop connecting end is arranged on the second electrode of each laminated capacitor; each metal loop connecting end is electrically connected with one end of a metal column, and the other end of each metal column is electrically connected with the metal floor; and the metal floor, the metal column and the laminated capacitor which are electrically connected form a super-resonator current loop. By adjusting the length of the laminated capacitor and the length of the metal loop, large equivalent capacitance and equivalent inductance are constructed, small resonant frequency is obtained, and ultra-small antenna design is achieved.

The invention discloses a compact broadband differential band pass filter. The band pass filter comprises a pair of half-wavelength coupling microstrip lines, two pairs of feed lines, a central microstrip line, and two pairs of capacitors; the half-wavelength coupling microstrip lines are arranged side by side, the perpendicular bisectors of the half-wavelength coupling microstrip lines are overlapped, and a bar-shaped slit is formed between the half-wavelength coupling microstrip lines; the two pair of feed lines are arranged corresponding to the pair of half-wavelength coupling microstrip lines, each pair of feed lines is connected to the two ends of the corresponding half-wavelength coupling microstrip line, and the two pairs of the feed lines are symmetrically distributed in the two sides of the perpendicular bisector of the half-wavelength coupling microstrip lines; the central microstrip line is connected between the half-wavelength coupling microstrip lines and symmetric by taking the perpendicular bisector of the half-wavelength coupling microstrip lines as the center; and the two pairs of capacitors are loaded between the half-wavelength coupling microstrip lines, and symmetrically arranged in the two sides of the half-wavelength coupling microstrip lines. The filter is simple in structure, smaller in size, sufficient in bandwidth and extremely low in loss.

The invention relates to a machine core of an MEMS (Micro Electro Mechanical System) simulation acceleration detector. The machine core of the MEMS simulation detector comprises a signal converter, an impedance converter and a micro mechanical vibration system. The signal converter is connected into the micro mechanical vibration system through the impedance converter. According to the machine core of the MEMS simulation detector provided by the invention, because the weight and the damping of an inertial body cannot have better consistencies simultaneously when a damping source and the inertial body are separated, the technical problems of the consistency of waveforms acquired by a sensor and difficult assurance of consistencies of product process precision and product performance are solved.

The invention discloses a monopole antenna, which comprises an insulative baseplate having mounting holes on one end, a radiation part adhering to the insulative baseplate, and an earthing part arranged separated from the radiation part and adhering to the same face of the insulative baseplate with the radition part. The width of the radiation part is the same with the width of the printing insulative baseplate, and the radiation part is C shape.

The invention discloses a single-layer microstrip dual-polarization transmission array antenna and a manufacturing method. The antenna is composed of a horn feed source and a Huygens metasurface microstrip dual-polarization transmission array. The horn feed source is composed of a waveguide and a horn opening, and the Huygens metasurface microstrip dual-polarization transmission array is composedof N * N metasurface transmission units. The metasurface transmission unit is composed of two layers of composite metal structures with biaxial symmetry on an xy plane and a single-layer dielectric plate, and the composite metal structure on the upper layer is formed by opening gaps on four sides of a square metal frame, and the composite metal structure on the lower layer is formed by removing four corners on a square metal frame. The dual-polarization transmission array antenna is manufactured based on a single-layer dielectric plate, through holes do not need to be punched, and the performance of the dual-polarization transmission array antenna meets the beneficial effects of low sidelobe, high gain, high aperture efficiency, enough bandwidth and the like, so that the dual-polarizationtransmission array antenna is easier to manufacture, lower in cost and easier to assemble and integrate under the condition that the same performance of a traditional transmission array antenna is achieved.

The invention provides a network sharing system and method. The network sharing system comprises a network access device and a network extension device, wherein the network access device is connected to the Internet and used for providing a wireless network service; the network access device and the network extension device form a wireless Ad hoc network; the network extension device is connected with the network access device through the wireless Ad hoc network in order to be indirectly connected to the Internet and provide the wireless network service; the network access device and the network extension device maintain routing information; and the routing information records corresponding relationships between destination network device addresses which can be accessed by a network device and addresses of next-hop network devices which are optimally selected when the network device accesses the destination network devices. Through adoption of the network sharing technology, the deployment cost of a wireless network is lowered, and a sufficient bandwidth is ensured through a plurality of network devices when a smart terminal accesses the Internet. The network sharing system and method have wide popularization and application prospects.

The invention discloses a data storage system and a method based on a cascade Expander, comprising: a RAID card and four Expander chips; wherein the four Expander chips are: Expander 1, Expander 2, Expander 3 and Expander 4; the Expander 1 and the Expander 2 are respectively connected with the RAID card through two SAS lines, Expander1 is connected to Expander3 via two SAS cables, Expander3 is connected to Expander4 via two SAS cables, and Expander4 is connected to Expander2 via two SAS cables. The invention can form a virtual hard disk distribution and connection diagram according to the reported hard disk information through a RAID card, and select the fastest IO link according to the data quantity requested by IO and the hard disk distribution, thereby improving the storage speed.

A multi-frequency antenna for mobile telephone is composed of a planar induction part consisting of the HF induction area and LF one and an extended induction part consisting of signal feed-in point,ground point and two extended circuits respectively connected with said HF and LF induction areas to form HF and LF antenna loops. Its advantages are wide bandwidth, and small size.

The embodiment of the invention discloses a method and device for regulating data volume, relating to the field of mobile communication and aiming at improving the experience of users on accessing the Internet by a wireless network card with a WiFi (Wireless Fidelity) function. The technical scheme of the method comprises the following steps of: obtaining a network quality grade corresponding to network signal strength according to the network signal strength measured by the wireless network card with the WiFi function, and distributing bandwidth corresponding to service type according to the network quality grade corresponding to the network signal strength. The method and device for regulating data volume are applied to a 2G/3G/4G wireless network and other wireless networks.

The invention discloses a frequency assignment method and system. The method comprises the following steps: detecting a physical source block utilization rate of a first network in a cell; selecting physical resource blocks with matched amount from the physical resource blocks corresponding to the preset frequency range according to the physical resource block utilization rate, thereby assigning for a first network to use; and providing the residual physical resource blocks for a second network to use. According to the technical scheme disclosed by the invention, the frequency range can be flexibly assigned according to the cell PRB utilization rate, thereby guaranteeing that the first network has enough bandwidth to guarantee the quality of data business of the first network, and the residual bandwidth is used for the data business of the second network, thereby providing more high-quality service for the user.

The invention provides a chemiluminescence analysis platform comprising an FPGA (field-programmable gate array) device and a data processing method based on the chemiluminescence analysis platform. The chemiluminescence analysis platform comprises the FPGA device, wherein the FPGA device comprises an FPGA module, an ARM (Acorn RISC Machine) core and a plurality of IP cores (intellectual property cores), and the ARM core is connected with the FPGA module and the IP cores. The chemiluminescence analysis platform comprising the FPGA device and the data processing method based on the chemiluminescence analysis platform have the advantages of high integration degree, small circuit board quantity, low cost and small size, efficient communication can be implemented, and the operation reliability is high.

The invention discloses a stylus antenna, which contains a stylus pen with metal ingredient and plastic material for pen end, screw seat and circuit base, wherein the metal besides plastic material possesses screw, which fixes the stylus pen; the stylus pen itself is antenna bulk, which makes stylus pen extract out of containing groove; the screw seat locks the stylus pen on the screw seat; the circuit base welds the surface of screw seat on the circuit base.